The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 1993
Filed:
Jul. 24, 1991
Applicant:
Inventors:
William J Kass, Easley, SC (US);
Michael R Hilley, Belton, SC (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365222 ; 365233 ; 3642469 ;
Abstract
A system and method for requesting access to refresh a computer memory. Two lines are connected between a timer and arbiter. A memory refresh request signal is provided on the first line and is accorded a relatively low priority by the arbiter. If the first request is not granted within a predetermined period of time, a second memory refresh request signal is provided on the second line and is accorded a relatively high priority by the arbiter.
Kass, William. (1993). System and method for requesting access to a computer memory for (U.S. Patent No. 5216635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5216635
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile